A boutique Seattle orthodontist Green Lake Orthodontics (GLO) is a lovely office on the shores of Green Lake in Seattle. Dr. Sara Cassidy, a Washington native, wanted an office that had a clean modern look and leveraged the use of technology within her practice. The 1,600 sf clinic includes four open bay chairs with a Dr.s perch/ workstation, a brushing station with on-deck, Pan-Ceph, a private consultation including dental chair, sterile, lab, staff lounge, patient restroom and private office.